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Finding the Fourth Proportional to 64,234.20, 96,336.90 and 42,202.20

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Solution

The fourth proportional to 64,234.20, 96,336.90 and 42,202.20 is: 63,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.20 : 96,336.90 = 42,202.20 : x
  2. Step 2: Convert to fraction form
    64,234.20/96,336.90 = 42,202.20/x
  3. Step 3: Cross multiply
    64,234.20x = 96,336.90 × 42,202.20
  4. Step 4: Simplify right side
    64,234.20x = 4,065,629,121.18
  5. Step 5: Solve for x
    x = 4,065,629,121.18/64,234.20
  6. Step 6: Final answer
    x = 63,293.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.